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专利申请号:CN201510813262.4公开号:CN105234593A申请日:2015.11.20公开日:2016.01.13申请人:四川大西洋焊接材料股份有限公司本发明公开了一种铬钼临氢钢用可全位置操作的低合金钢手工电焊条,由焊芯和包裹在该焊芯外表面上的药皮组成,该药皮由以下成分制成:碳酸盐22~30重量份、氟化物19~25重量份、硅铁9~12
Patent application number: CN201510813262.4 Publication number: CN105234593A Date of application: 2015.11.20 Publication date: 2016.01.13 Applicant: Sichuan Atlantic Welding Material Co., Ltd. The present invention discloses a chromium molybdenum hydrogen steel for all-position operation The low alloy steel manual welding electrode consists of a welding core and a coating which is coated on the outer surface of the welding core. The coating is made of the following components: 22 to 30 parts of carbonate, 19 to 25 parts of fluoride, Ferrosilicon 9 ~ 12